[PATCH] shpchp: reduce debug message verbosity
Reduce the number of debug messages generated if shpchp debug is
enabled. I tried to restrict this to removing debug messages that
are either early-driver-debug type messages, or print information
that can be inferred through other debug prints.
Signed-off-by: Rajesh Shah <rajesh.shah@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/pci/hotplug/shpchp_hpc.c b/drivers/pci/hotplug/shpchp_hpc.c
index d46a476..40905a6 100644
--- a/drivers/pci/hotplug/shpchp_hpc.c
+++ b/drivers/pci/hotplug/shpchp_hpc.c
@@ -313,7 +313,6 @@
* command.
*/
writew(temp_word, php_ctlr->creg + CMD);
- dbg("%s: temp_word written %x\n", __FUNCTION__, temp_word);
DBG_LEAVE_ROUTINE
return retval;
@@ -789,10 +788,8 @@
}
}
if (php_ctlr->pci_dev) {
- dbg("%s: before calling iounmap & release_mem_region\n", __FUNCTION__);
iounmap(php_ctlr->creg);
release_mem_region(pci_resource_start(php_ctlr->pci_dev, 0), pci_resource_len(php_ctlr->pci_dev, 0));
- dbg("%s: before calling iounmap & release_mem_region\n", __FUNCTION__);
php_ctlr->pci_dev = NULL;
}
@@ -1043,18 +1040,13 @@
if (!intr_loc)
return IRQ_NONE;
- dbg("%s: shpc_isr proceeds\n", __FUNCTION__);
dbg("%s: intr_loc = %x\n",__FUNCTION__, intr_loc);
if(!shpchp_poll_mode) {
/* Mask Global Interrupt Mask - see implementation note on p. 139 */
/* of SHPC spec rev 1.0*/
temp_dword = readl(php_ctlr->creg + SERR_INTR_ENABLE);
- dbg("%s: Before masking global interrupt, temp_dword = %x\n",
- __FUNCTION__, temp_dword);
temp_dword |= 0x00000001;
- dbg("%s: After masking global interrupt, temp_dword = %x\n",
- __FUNCTION__, temp_dword);
writel(temp_dword, php_ctlr->creg + SERR_INTR_ENABLE);
intr_loc2 = readl(php_ctlr->creg + INTR_LOC);
@@ -1068,11 +1060,7 @@
* Detect bit in Controller SERR-INT register
*/
temp_dword = readl(php_ctlr->creg + SERR_INTR_ENABLE);
- dbg("%s: Before clearing CCIP, temp_dword = %x\n",
- __FUNCTION__, temp_dword);
temp_dword &= 0xfffeffff;
- dbg("%s: After clearing CCIP, temp_dword = %x\n",
- __FUNCTION__, temp_dword);
writel(temp_dword, php_ctlr->creg + SERR_INTR_ENABLE);
wake_up_interruptible(&ctrl->queue);
}
@@ -1080,11 +1068,7 @@
if ((intr_loc = (intr_loc >> 1)) == 0) {
/* Unmask Global Interrupt Mask */
temp_dword = readl(php_ctlr->creg + SERR_INTR_ENABLE);
- dbg("%s: 1-Before unmasking global interrupt, temp_dword = %x\n",
- __FUNCTION__, temp_dword);
temp_dword &= 0xfffffffe;
- dbg("%s: 1-After unmasking global interrupt, temp_dword = %x\n",
- __FUNCTION__, temp_dword);
writel(temp_dword, php_ctlr->creg + SERR_INTR_ENABLE);
return IRQ_NONE;
@@ -1094,11 +1078,9 @@
/* To find out which slot has interrupt pending */
if ((intr_loc >> hp_slot) & 0x01) {
temp_dword = readl(php_ctlr->creg + SLOT1 + (4*hp_slot));
- dbg("%s: Slot %x with intr, temp_dword = %x\n",
- __FUNCTION__, hp_slot, temp_dword);
+ dbg("%s: Slot %x with intr, slot register = %x\n",
+ __FUNCTION__, hp_slot, temp_dword);
temp_byte = (temp_dword >> 16) & 0xFF;
- dbg("%s: Slot with intr, temp_byte = %x\n",
- __FUNCTION__, temp_byte);
if ((php_ctlr->switch_change_callback) && (temp_byte & 0x08))
schedule_flag += php_ctlr->switch_change_callback(
hp_slot, php_ctlr->callback_instance_id);
@@ -1114,8 +1096,6 @@
/* Clear all slot events */
temp_dword = 0xe01f3fff;
- dbg("%s: Clearing slot events, temp_dword = %x\n",
- __FUNCTION__, temp_dword);
writel(temp_dword, php_ctlr->creg + SLOT1 + (4*hp_slot));
intr_loc2 = readl(php_ctlr->creg + INTR_LOC);
@@ -1125,11 +1105,7 @@
if (!shpchp_poll_mode) {
/* Unmask Global Interrupt Mask */
temp_dword = readl(php_ctlr->creg + SERR_INTR_ENABLE);
- dbg("%s: 2-Before unmasking global interrupt, temp_dword = %x\n",
- __FUNCTION__, temp_dword);
temp_dword &= 0xfffffffe;
- dbg("%s: 2-After unmasking global interrupt, temp_dword = %x\n",
- __FUNCTION__, temp_dword);
writel(temp_dword, php_ctlr->creg + SERR_INTR_ENABLE);
}
@@ -1402,7 +1378,8 @@
err("%s : pci_read_config_dword failed\n", __FUNCTION__);
goto abort_free_ctlr;
}
- dbg("%s: offset %d: tempdword %x\n", __FUNCTION__,i, tempdword);
+ dbg("%s: offset %d: value %x\n", __FUNCTION__,i,
+ tempdword);
}
}
@@ -1411,13 +1388,6 @@
first = 0;
}
- dbg("pdev = %p: b:d:f:irq=0x%x:%x:%x:%x\n", pdev, pdev->bus->number, PCI_SLOT(pdev->devfn),
- PCI_FUNC(pdev->devfn), pdev->irq);
- for ( rc = 0; rc < DEVICE_COUNT_RESOURCE; rc++)
- if (pci_resource_len(pdev, rc) > 0)
- dbg("pci resource[%d] start=0x%lx(len=0x%lx), shpc_base_offset %x\n", rc,
- pci_resource_start(pdev, rc), pci_resource_len(pdev, rc), shpc_base_offset);
-
info("HPC vendor_id %x device_id %x ss_vid %x ss_did %x\n", pdev->vendor, pdev->device, pdev->subsystem_vendor,
pdev->subsystem_device);
@@ -1437,7 +1407,6 @@
goto abort_free_ctlr;
}
dbg("%s: php_ctlr->creg %p\n", __FUNCTION__, php_ctlr->creg);
- dbg("%s: physical addr %p\n", __FUNCTION__, (void*)pci_resource_start(pdev, 0));
init_MUTEX(&ctrl->crit_sect);
/* Setup wait queue */
@@ -1445,8 +1414,6 @@
/* Find the IRQ */
php_ctlr->irq = pdev->irq;
- dbg("HPC interrupt = %d\n", php_ctlr->irq);
-
php_ctlr->attention_button_callback = shpchp_handle_attention_button,
php_ctlr->switch_change_callback = shpchp_handle_switch_change;
php_ctlr->presence_change_callback = shpchp_handle_presence_change;
@@ -1488,7 +1455,6 @@
if (rc) {
info("Can't get msi for the hotplug controller\n");
info("Use INTx for the hotplug controller\n");
- dbg("%s: rc = %x\n", __FUNCTION__, rc);
} else
php_ctlr->irq = pdev->irq;
@@ -1499,8 +1465,10 @@
goto abort_free_ctlr;
}
}
+ dbg("%s: HPC at b:d:f:irq=0x%x:%x:%x:%x\n", __FUNCTION__,
+ pdev->bus->number, PCI_SLOT(pdev->devfn),
+ PCI_FUNC(pdev->devfn), pdev->irq);
get_hp_hw_control_from_firmware(pdev);
- dbg("%s: Before adding HPC to HPC list\n", __FUNCTION__);
/* Add this HPC instance into the HPC list */
spin_lock(&list_lock);
@@ -1539,7 +1507,6 @@
dbg("%s: SERR_INTR_ENABLE = %x\n", __FUNCTION__, tempdword);
}
- dbg("%s: Leaving shpc_init\n", __FUNCTION__);
DBG_LEAVE_ROUTINE
return 0;